Sinterable carbon powder

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

C01B 31/02 (2006.01) C04B 35/52 (2006.01) C04B 35/528 (2006.01) C10C 1/00 (2006.01) C10C 3/04 (2006.01)

Patent

CA 2086858

A carbon powder with 40 to 75%-wt QI, more than 90%-wt TI, an optical anisotropy of less than 50%-vol, which begins to sinter between 200 and 300°C, and which has an oxygen content of more than 2%-wt is proposed for the production of carbon bodies that are free of binding agent. The carbon powder is produced by distillation from bituminous products at at most 5 mbar and at a terminal temperature of at least 400°C, grinding of the distillation residue to a particle size of less than 30 µm, and oxidation of the powder right into the particle cores.

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